Soil Map \ Vunivasa \

Soil Analysis - Vunivasa

Parameter Unit Method Reference Value
Soluble Calcium mg/kg **Inhouse S10 - Morgan 1 328
Soluble Magnesium 109
Soluble Potassium 35
Soluble Phosphorus 1.1
Phosphorus mg/kg P **Rayment & Lyons 2011 - 9E2 (Bray 1) 2.4
**Rayment & Lyons 2011 - 9B2 (Colwell) 29
**Inhouse S3A (Bray 2) 8
Nitrate Nitrogen mg/kg N **Inhouse S37 (KCl) 8.4
Ammonium Nitrogen 54.8
Sulphur mg/kg S 39.1
pH Rayment & Lyons 2011 - 4A1 (1:5 Water) 5.08
Electrical Conductivity dS/m 0.099
Estimated Organic Matter % OM **Calculation: Total Carbon x 1.75 6.8
Exchangeable Calcium cmol+/kg Rayment & Lyons 2011 - 15D3 (Ammonium Acetate) 3.23
kg/ha 1451
mg/kg 648
Exchangeable Magnesium cmol+/kg 1.69
kg/ha 461
mg/kg 206
Exchangeable Potassium cmol+/kg 0.20
kg/ha 173
mg/kg 77
Exchangeable Sodium cmol+/kg 0.45
kg/ha 232
mg/kg 104
Exchangeable Aluminium cmol+/kg **Inhouse S37 (KCl) 2.09
kg/ha 421
mg/kg 188
Exchangeable Hydrogen cmol+/kg **Rayment & Lyons 2011 - 15G1 (Acidity Titration) 1.60
kg/ha 36
mg/kg 16
Effective Cation Exchange Capacity (ECEC) cmol+/kg **Calculation: Sum of Ca,Mg,K,Na,Al,H (cmol+/kg)
Calcium % **Base Saturation Calculations - Cation cmol+/kg / ECEC x 100 34.9
Magnesium 18.3
Potassium 2.1
Sodium - ESP 4.9
Aluminium 22.6
Hydrogen 17.3
Calcium/Magnesium Ratio % **Calculation: Calcium / Magnesium (cmol+/kg)
Zinc mg/kg Rayment & Lyons 2011 - 12A1 (DTPA) 1.0
Manganese 11
Iron 158
Copper 0.4
Boron **Rayment & Lyons 2011 - 12C2 (Hot CaCl2) 0.29
Silicon mg/kg Si **Inhouse S11 (Hot CaCl2) 67
Total Carbon % Inhouse S4a (LECO Trumac Analyser) 3.86
Total Nitrogen 0.37
Carbon/Nitrogen Ratio **Calculation: Total Carbon/Total Nitrogen 10.4
Basic Texture **Inhouse S65 Clay Loam
Basic Color Brownish
Chloride Estimate equiv. mg/kg **Calculation: Electrical Conductivity x 640 63
Total Calcium mg/kg Rayment & Lyons 2011 - 17C1 Aqua Regia 1,217
Total Magnesium 1,453
Total Potassium 147
Total Sodium 177
Total Sulfur 551
Total Phosphorus 796
Total Zinc 120
Total Manganese 531
Total Iron 76,060
Total Copper 54.5
Total Boron <2
Total Silicon 613
Total Aluminium 94,294
Total Molybdenum 1.3
Total Cobalt 36
Total Selenium 1.4